Prime Minister David Cameron and Chancellor George Osborne are facing the biggest challenge to their authority in six years, with Conservative MPs in open warfare over Mr Duncan Smith's resignation.

:: Daily Mail

The infighting amounts to the Tories' worst civil war since the days of former Prime Minister John Major.

:: Metro

In his first interview since stepping down, Mr Duncan Smith accused Mr Osborne of targeting poor working people and the disabled in his latest budget because "they don't vote for us".

:: The Times

The Times suggests that divisions in the party run as deep as the Tories' two most powerful figures. It reports that David Cameron has told a Cabinet colleague Mr Osborne had "messed up" and was responsible for the row over disability cuts that ended in Mr Duncan Smith's resignation.

:: Daily Mirror

The Daily Mirror says simply that the Tory party is "damned".

:: The Daily Telegraph

The Prime Minister will mount a "passionate and powerful" fightback against Mr Duncan Smith today in a bid to save his party. David Cameron will defend his record as a "compassionate Conservative" who has “done the right thing for Britain" after Mr Duncan Smith accused the party leadership of putting wealthy Tory voters ahead of the working poor.

:: Daily Express

Mr Duncan Smith's resignation has given campaigners aiming to get Britain out of the European Union a massive boost. The Leave campaign says it is a devastating blow to the Prime Minister and George Osborne who are leading the fight to keep Britain in.

:: Daily Star

Top Gear presenter Chris Evans has hit out at the programme's former frontman Jeremy Clarkson over his new show on Amazon Prime.

:: The New Day

A homeless man has married a passerby who he asked change.

:: The Sun

An NHS hospital reportedly spent £181,000 on treatment and care for an illegal migrant.

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